What's The Deal with Groups Bars and How WBS Summary Activities Can Help

Group Bars are a great tool to summarize activity data in Primavera, but there are some nuances to be aware of, especially if your project uses different calendars to schedule work.  In the tutorial, I'll explain in-depth how the Group Bars summarize activity data and some of the settings involved.  I'll then explain how a little-known activity type, the WBS Summary activity can help you summarize projects with multiple calendars.